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Exhibit 21.1

Subsidiaries of the Registrant
Name of Subsidiary
Jurisdiction of Incorporation
Solstice Advanced Materials US, Inc.
Delaware
Athens Canada Advanced Materials SubCo Ltd.
Alberta, Canada
Honeywell Trading (Shanghai) Co., Ltd.
China
Honeywell Japan Ltd.
Japan
Honeywell Advanced Materials (China) Co. Ltd.
China
Honeywell Specialty Chemicals Seelze GmbH
Germany
Honeywell Electronic Materials Manufacturing, LLC
Washington
ConverDyn, GP
Delaware
Honeywell Electronic Materials (Thailand) Co., Ltd.
Thailand
Solstice AM Middle East General Trading FZE
United Arab Emirates
Solstice AM (Hong Kong) Limited
Hong Kong
Athens Enterprise Management (Shanghai) Co., Ltd.
China
Honeywell Performance Materials & Technologies Korea Ltd
South Korea
Honeywell Electronic Chemicals LLC
Delaware
Honeywell (Singapore) Pte Ltd
Singapore
Honeywell Electronic Materials Taiwan Co., Ltd.
Taiwan
Honeywell Holding LLC
Delaware
Honeywell Sinochem Lantian Environmental Protection Materials (Shanghai) Co., Ltd.
China
Advanced Materials Arabia
Saudi Arabia
Honeywell Polymers (Australia) Pty Limited
Australia
Italy Athens S.R.L.
Italy
Honeywell Riedel-de Haën Sozialhilfe GmbH
Germany
Authentication Technologies LLC
Delaware
Australia Athens Pty Ltd
Australia
Athens AM GmbH
Austria
Athens Canada Advanced Materials NewCo ULC
Alberta, Canada
Athens Canada Advanced Materials TC ULC
Alberta, Canada
Czech Republic Athens s.r.o.
Czech Republic
France Athens SAS
France
Athens Deutschland II GmbH
Germany
Athens Deutschland III GmbH
Germany
Athens AM Holding Limited
Ireland
AM Mexico Athens, S. de R.L. de C.V.
Mexico
Poland Athens spolka z ograniczona odpowiedzialnoscia
Poland
Advanced Materials RO S.R.L.
Romania
Spain Advanced Materials Athens, S.L.
Spain
Swiss Athens GmbH
Switzerland
ATHENS TÜRKIYE İLERİ MALZEME TEKNOLOJİLERİ LİMİTED ŞİRKETİ
Turkey
US Athens FinCo LLC
Delaware
US CFC HoldCo LLC
Delaware
Vietnam Athens LLC
Vietnam



Name of Subsidiary
Jurisdiction of Incorporation
Honeywell Sinochem Lantian New Materials Co., Ltd.
China
Niedersächsische Gesellschaft zur Endablagerung von Sonderabfall mbH
Germany
Quimobasicos, S.A. de C.V.
Mexico
Honeywell Electronic Materials, Inc.
Washington
Amherstburg Land Holdings Limited
Federal, Canada
Honeywell Hornets Singapore Pte. Ltd.
Singapore
Allied Chemical Nuclear Products, Inc.
Delaware
Asahi-Schwebel (Taiwan) Co., Ltd.
Taiwan
Athens do Brasil Ltda.
Brazil
Honeywell Riedel-de Haën GmbH
Germany
SOLSTICE ADVANCED MATERIALS UK LIMITED
United Kingdom
Honeywell Fluorine Products Europe B.V.
Netherlands
Belgium Athens
Belgium
AdvInnov Materials India Private Limited
India
Solstice Advanced Materials Ireland Limited
Ireland
Honeywell Energy Services Inc.
Delaware

The names of certain other subsidiaries have been omitted because such subsidiaries, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary, as defined by Item 1-02 of Regulation S-K.
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